.wrap {
    position: relative;
}

.maskTop {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    height: 88px;
    color: #fff;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: #000 url('~@/assets/wenku_bg.jpg') no-repeat center;
}
.logo {
    display: inline-block;
    vertical-align: middle;
    width: 30px;
    height: 30px;
    margin-right: 16px;
    background: url('~@/assets/logo@3x.png') no-repeat center;
    background-size: 30px;
}
